(TrendHunter.com) Xinyu Ye designs the Sliball tackles the issue of public shopping cart handles and the bacteria that it may carry. Instead of wiping down the handle or spraying it with alcohol, the Sliball device... (TrendHunter.com) Xinyu Ye designs the Sliball tackles the issue of public shopping cart handles and the bacteria that it may carry. Instead of wiping down the handle or spraying it with alcohol, the Sliball device...